[MacPorts] #30490: Yasm required to build ffmpeg for arch=i386

[MacPorts]

#30490: Yasm required to build ffmpeg for arch=i386
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 Reporter:  bruno.herbelin@…          |       Owner:  macports-tickets@…                   
     Type:  defect                    |      Status:  new                                  
 Priority:  Low                       |   Milestone:                                       
Component:  ports                     |     Version:  2.0.0                                
 Keywords:  yasm                      |        Port:  ffmpeg                               
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 Compilation of port ffmpeg fails if macport build_arch is i386 (on a
 x86_64 machine):
 It is not a C error, but a gcc asm problem;  " ‘asm’ operand has
 impossible constraints " (i don't remember which file, but it was in
 libavcodec).

 To fix this, I added
 --enable-yasm
 to the list of configure.args in the Portfile of ffmpeg.

 Of course, yasm should also be added as a dependency to ffmpeg. I would
 recommend to enable yasm for all architecture (no need to make different
 behavior between 32 and 64 bits).

 Thanks for the good work with macports !


 PS: this is not the same as Ticket #30137, but related ?

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Ticket URL: <https://trac.macports.org/ticket/30490>
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